Merge "Enable SQLite configuration to be set with system properties." into jb-dev (dca5fb9e) · Commits · e / os / android_frameworks_base

core/java/android/database/sqlite/SQLiteGlobal.java

+20 −11

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package android.database.sqlite;

		import android.content.res.Resources;
		import android.os.StatFs;
		import android.os.SystemProperties;

		/**
		* Provides access to SQLite functions that affect all database connection,
		@@ -62,7 +63,7 @@ public final class SQLiteGlobal {
		if (sDefaultPageSize == 0) {
		sDefaultPageSize = new StatFs("/data").getBlockSize();
		}
		return sDefaultPageSize;
		return SystemProperties.getInt("debug.sqlite.pagesize", sDefaultPageSize);
		}
		}

		@@ -70,47 +71,55 @@ public final class SQLiteGlobal {
		* Gets the default journal mode when WAL is not in use.
		*/
		public static String getDefaultJournalMode() {
		return Resources.getSystem().getString(
		com.android.internal.R.string.db_default_journal_mode);
		return SystemProperties.get("debug.sqlite.journalmode",
		Resources.getSystem().getString(
		com.android.internal.R.string.db_default_journal_mode));
		}

		/**
		* Gets the journal size limit in bytes.
		*/
		public static int getJournalSizeLimit() {
		return Resources.getSystem().getInteger(
		com.android.internal.R.integer.db_journal_size_limit);
		return SystemProperties.getInt("debug.sqlite.journalsizelimit",
		Resources.getSystem().getInteger(
		com.android.internal.R.integer.db_journal_size_limit));
		}

		/**
		* Gets the default database synchronization mode when WAL is not in use.
		*/
		public static String getDefaultSyncMode() {
		return Resources.getSystem().getString(
		com.android.internal.R.string.db_default_sync_mode);
		return SystemProperties.get("debug.sqlite.syncmode",
		Resources.getSystem().getString(
		com.android.internal.R.string.db_default_sync_mode));
		}

		/**
		* Gets the database synchronization mode when in WAL mode.
		*/
		public static String getWALSyncMode() {
		return Resources.getSystem().getString(
		com.android.internal.R.string.db_wal_sync_mode);
		return SystemProperties.get("debug.sqlite.wal.syncmode",
		Resources.getSystem().getString(
		com.android.internal.R.string.db_wal_sync_mode));
		}

		/**
		* Gets the WAL auto-checkpoint integer in database pages.
		*/
		public static int getWALAutoCheckpoint() {
		return Math.max(1, Resources.getSystem().getInteger(
		int value = SystemProperties.getInt("debug.sqlite.wal.autocheckpoint",
		Resources.getSystem().getInteger(
		com.android.internal.R.integer.db_wal_autocheckpoint));
		return Math.max(1, value);
		}

		/**
		* Gets the connection pool size when in WAL mode.
		*/
		public static int getWALConnectionPoolSize() {
		return Math.max(2, Resources.getSystem().getInteger(
		int value = SystemProperties.getInt("debug.sqlite.wal.poolsize",
		Resources.getSystem().getInteger(
		com.android.internal.R.integer.db_connection_pool_size));
		return Math.max(2, value);
		}
		}